Termatech TT21RH Woodburning Stove

The TermaTech TT21RH Woodburning Stove combines elegant Scandinavian styling with efficient heating performance and practical everyday features. Its distinctive rounded steel sides, matt black finish and cast iron detailing create a sophisticated focal point for both contemporary and traditional interiors. The tall design raises the combustion chamber, providing an elevated view of the flames, while the large curved glass window enhances the visual appeal of the fire.

With a nominal heat output of 5kW and an efficiency rating of 81%, the TermaTech TT21RH is designed to provide comfortable warmth while making effective use of seasoned firewood. Its convection design helps distribute heat around the room, while the simple single air control makes operating the stove straightforward. With an output range of 3kW to 7kW, it is suitable for a variety of living spaces, depending on insulation and room layout.

The TT21RH features a practical lower compartment with a steel door, providing discreet storage for logs or optional stove accessories. Its airwash system helps keep the glass clear, while the ash drawer makes routine cleaning easier. A magnetic door-closing mechanism, optional external air connection and top or rear flue outlet add to its everyday convenience and installation flexibility.

Designed to meet modern Ecodesign requirements, the TermaTech TT21RH is also available for use in applicable Smoke Control Areas when fitted with the required DEFRA kit and operated in accordance with the manufacturer’s instructions. With its taller proportions, quality cast iron components and timeless styling, it is an excellent choice for homeowners seeking an attractive and efficient woodburning stove.

Key Features

• 5kW nominal heat output.
• Operating range of 3kW to 7kW.
• 81% efficiency rating according to TermaTech specifications.
• A+ energy rating.
• Contemporary Scandinavian design with rounded steel sides.
• Matt black finish with cast iron detailing.
• Tall design with raised combustion chamber.
• Large curved glass viewing window.
• Woodburning stove designed for seasoned firewood.
• Single air control for straightforward operation.
• Airwash system to help keep the glass clear.
• Magnetic door-closing mechanism.
• Lower storage compartment with a steel door.
• Ash drawer for convenient cleaning.
• Convection heating design.
• Optional external air supply connection.
• Top or rear flue connection.
• Ecodesign compliant.
• DEFRA kit available for applicable Smoke Control Area use.
• Five-year manufacturer’s warranty, subject to terms and conditions.

Specifications

Brand – TermaTech
Model – TT21RH
Stove type – Freestanding woodburning stove
Nominal heat output – 5kW
Operating range – 3kW to 7kW
Efficiency – 81%
Energy rating – A+
Recommended heating area – Approximately 30–120m²
Fuel type – Wood
Ecodesign compliant – Yes
Smoke Control Area use – With required DEFRA kit and subject to operating conditions
Finish – Matt black
Construction – Steel body with cast iron top, door and base
Air control – Single control
Airwash system – Yes
Door closure – Magnetic mechanism
Lower compartment – Steel door for discreet storage
Ash drawer – Yes
External air connection – Optional
Flue diameter – 150mm (6 inches)
Flue outlet – Top or rear
Height – 1,170mm
Width – 519mm
Depth – 412mm
Weight – Approximately 136kg
Warranty – Up to 5 years, subject to manufacturer terms and conditions